fix(sbb-overlay): fix padding block

[mcilurzo]

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Issue

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• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)

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Changes

Changes in this pull request:

• adjusted "sbb-overlay-padding-block" in all breakpoints. the change is requested by SBB.ch

Browsers

I tested the build on the following browsers:

• Firefox Desktop
• Chrome Desktop
• Edge Desktop
• Safari Desktop
• Chrome Mobile
• Safari Mobile

Screen readers

I tested the build on the following browsers:

• JAWS Firefox Desktop
• JAWS Chrome Desktop
• NVDA Firefox Desktop
• NVDA Chrome Desktop
• VoiceOver Safari Desktop
• VoiceOver Chrome Desktop
• VoiceOver Safari Mobile
• Android Accessibility Suite Chrome Mobile

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• Bugfix
• Feature
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Does this introduce a breaking change?

• Yes
• No

Other information

[jeripeierSBB]

LGTM, let's wait for second run of visual regression tests :)